unit substation meaning in Chinese

成套变电所
成套变电站
单元变电所

Lightning arresters for 6 . 6 kv cubicle type unit substation
6 . 6kv室内单元变电所用避雷器
Switchgear - unit substations - requirements
开关设备.成套变电所.要求
Insulated wires for cubicle type unit substation for 6 . 6 kv receiving
室内单元变电所用6 . 6kv接收绝缘电线
Specification for ground mounted distribution transformers for cable box or unit substation connection
电缆箱或分电站连接用接地配电变压器规范
Transformers - dry - type transformers used in unit installations , including unit substations - conformance standard
变压器.包括成套变电所在内的成套设备用干式变压器.一致性标准